Water filter cartridge



FIG. 1 is a perspective view of the water filter cartridge showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof. 

We claim the ornamental design for a water filter cartridge, as shown and described. 